481143740777 has 4 divisors (see below), whose sum is σ = 549878560896. Its totient is φ = 412408920660.

The previous prime is 481143740747. The next prime is 481143740789. The reversal of 481143740777 is 777047341184.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 481143740777 - 2¹⁶ = 481143675241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481143740747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34367410049 + ... + 34367410062.

It is an arithmetic number, because the mean of its divisors is an integer number (137469640224).

Almost surely, 2^481143740777 is an apocalyptic number.

It is an amenable number.

481143740777 is a deficient number, since it is larger than the sum of its proper divisors (68734820119).

481143740777 is an equidigital number, since it uses as much as digits as its factorization.

481143740777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68734820118.

The product of its (nonzero) digits is 3687936, while the sum is 53.

The spelling of 481143740777 in words is "four hundred eighty-one billion, one hundred forty-three million, seven hundred forty thousand, seven hundred seventy-seven".